<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>index</title>
</head>
<body>
 <a href="/testOne" target="_self"><b>Test</b></a>
 <form action="/login">
     用户名：<input type="text" name="username" />
     密&nbsp;码：<input type="text" name="password" />
                 <input type="submit" value="提交" />
 </form>
</body>
</html>